Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended								12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Notice of Proposed Adjustment One	Mar. 31, 2011 Notice of Proposed Adjustment One	Mar. 31, 2010 Notice of Proposed Adjustment One	Mar. 31, 2013 Notice of Proposed Adjustment Two	Mar. 31, 2011 Notice of Proposed Adjustment Two	Mar. 31, 2010 Notice of Proposed Adjustment Two	Mar. 24, 2014 Internal Revenue Service (IRS)	Mar. 31, 2014 Internal Revenue Service (IRS)	Mar. 31, 2014 States
Schedule Of Income Taxes [Line Items]
Adjustment to taxable income				$ 5,680,182	$ 4,981,520		$ 1,143,162	$ 1,553,984
Estimated income tax adjustment liable for taxes, penalties and interest			14,900,000			1,100,000
Estimated remitted tax liability									900,000
Expected tax liability to be remitted									200,000
Statutory federal rate	34.00%	34.00%
Net operating loss carry forwards										2,400,000	3,700,000
Net operating loss carry forwards, expiry year										2034
Income (loss) of foreign subsidiaries before taxes	$ 2,966,000	$ (80,000)